SparkFun Pi AVR Programmer HAT _RPI_HAT_Sensors with 2 menu-select buttons and

with 2 menu-select buttons and 2 fire-action buttons

It is also a great choice in any application where you need to control two brushed motors

" The SparkFun 7-Segment Serial Display combines a classic 4-digit 7-segment display and an ATMega328 microcontroller allowing you to control every segment individually using only a few serial lines

The upshot

Not heatsink-compatible

SparkFun Pi AVR Programmer HAT _RPI_HAT_Sensors with 2 menu-select buttons andThe SparkFun Pi AVR Programmer HAT makes it easy to program AVRs directly from the SPI hardware pins on any Model B Raspberry Pi. It was originally designed as an in house solution for SparkFun production, but now is offered as a robust programming tool for anyone to purchase! This programmer is by far one of the fastest, most reliable, and hack able (fully open sourced) AVR programming solutions available. Whether youre a beginner or experienced